/* 页吗初始化 */
* {
    margin: 0;
    padding: 0;
}

input {
    outline: none;
}

ul {
    list-style: none;
}

/* 给页面设置遮罩层 */
body::after {
    content: "";
    background-image: url(../img/bg3.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0.7;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

/* 将登录框放到屏幕的中心 */
.box {
    width: 350px;
    height: 500px;
    padding: 20px;
    border: 2px solid rgb(202, 110, 11);
    border-radius: 15px;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    z-index: 10;
}

.box li {
    width: 90%;
    height: 80px;
    padding: 0 20px;
    overflow: hidden;
}

input {
    border-radius: 4px;
    border: 1px solid;
    background-color: transparent;

}

.box .f1 input,
.box .f2 input,
.box .f3 input,
.box .f4 input,
.box .f6 input {
    display: block;
    height: 35px;
    width: 260px;
    padding-left: 10px;

}

.box .f1 span,
.box .f2 span,
.box .f3 span,
.box .f4 span {
    display: block;
    height: 20px;

}

.box .f5 input {
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-top: 20px;
}